CVE-2026-58534: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Heap-based buffer overflow in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
CVE-2026-58534 is a heap-based buffer overflow vulnerability in the Microsoft Input Method Editor component of Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this vulnerability to elevate privileges, potentially gaining higher system rights. The vulnerability is tracked under CWE-122 and has a CVSS v3.1 base score of 8.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges on the affected system, potentially leading to full system compromise. The vulnerability impacts confidentiality, integrity, and availability with high severity. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as soon as possible to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58534 for detailed patch information and deployment instructions.
CVE-2026-58534: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Heap-based buffer overflow in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-58534 is a heap-based buffer overflow vulnerability in the Microsoft Input Method Editor component of Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this vulnerability to elevate privileges, potentially gaining higher system rights. The vulnerability is tracked under CWE-122 and has a CVSS v3.1 base score of 8.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges on the affected system, potentially leading to full system compromise. The vulnerability impacts confidentiality, integrity, and availability with high severity. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as soon as possible to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58534 for detailed patch information and deployment instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-01T04:33:41.870Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58534","vendor":"Microsoft"}]
Threat ID: 6a5676c068715ace43f0b13f
Added to database: 07/14/2026, 17:49:52 UTC
Last enriched: 07/14/2026, 18:21:47 UTC
Last updated: 07/14/2026, 20:03:48 UTC
Views: 2
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